| 1942 |
Company was founded in Osaka
Began manufacdturing cemented carbide dies for wire drawing
|
| 1950 |
Began manufacturing natural diamond dies |
| 1959 |
Began manufacturing drawing dies with special shapes |
| 1961 |
Recorgnized company into a corporation with a capital of 1 million yen |
| 1967 |
Opened a cemented carbide factory
Began manufacturing sintering drawing die nibs
|
| 1969 |
Began manufacturing shaving dies |
| 1985 |
Began manufacturing PCD (polycrystalline diamond) dies |
| 1987 |
Began manufacturing mill rolls |
| 1995 |
Began manufacturing cemented carbide nibs for steel cord |
| 2010 |
Acquired ISO9001 certification |
| 2011 |
Introduced recycling system for used drawing dies |
| 2013 |
Began manufacturing shaped dies made from PCD |
| 2014 |
Introduced CVD titan coating |
